Structure of Living Things

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Across
  1. 3. the ability to do work
  2. 4. main organ in the central nervous system that allows us to think and live
  3. 7. Any living things
  4. 9. system that supports and protects the body
  5. 12. system that controls the body
  6. 13. system that pumps blood and oxygen
  7. 15. the fluid that circulates oxygen through the body
  8. 18. Group of similar organs to help organisms live
  9. 19. Make up the skeletal system; gives support and protection
Down
  1. 1. system that processes food and nutrients
  2. 2. system that allows the body to breath
  3. 5. movement of blood through the body
  4. 6. processes food and absorbs nutrients
  5. 8. the central organ in the circulatory system
  6. 10. connects parts of the body to the brain
  7. 11. system that allows the body to move
  8. 14. processes food after it leaves the esophagus
  9. 16. Part of the respiratory system; used for breathing
  10. 17. completes digestion by removing food